GMC

GMC troubleshooting questions? Ask a mechanic for answers

Ask an Expert,
Get an Answer ASAP!

2013 Denali - no fan for heat or cooling - dashboard

Customer Question
2013 Denali - no...

2013 Denali - no fan for heat or cooling - dashboard controls operate correctly, just no heat or a/c or fan

Mechanic's Assistant: Have you checked to make sure the thermostat is working? What about the coolant level?

I have not yet checked items, searching the internet for ideas to check before taking for repairs or to Autozone for HVAC codes

Mechanic's Assistant: What is the model of your '13 GMC?

Yukon Denali XL AWD - 6.2L V8 SFI

Mechanic's Assistant: Are you fixing your Yukon Denali yourself? What have you tried so far?

I have haven't tried anything yet, just researching for ideas

Mechanic's Assistant: Anything else you want the mechanic to know before I connect you?

What is the charge for the mechanic's service?

Submitted: 7 months ago.Category: GMC
Show More
Show Less
Ask Your Own GMC Question
Answered in 4 minutes by:
12/11/2017
GMC Mechanic: Edward, Service Technician replied 7 months ago
Edward
Edward, Service Technician
Category: GMC
Satisfied Customers: 3,745
Experience: 20 + years experience on various makes and models.
Verified

Hello and thanks for your question. My name is ***** ***** I will do all I can to help.

Ask Your Own GMC Question
GMC Mechanic: Edward, Service Technician replied 7 months ago

Have you checked the 40 amp blower fuse out under the hood, and do you have a 12 volt test light or volt meter? thank you.

Ask Your Own GMC Question
Customer reply replied 7 months ago
Thanks Edward, I have not yet checked anything, I was researching the web for ideas. I do have a meter at home and can test there. Is the 40 amp blower fuse located in the fuse box under the hood or is near the blower motor?
GMC Mechanic: Edward, Service Technician replied 7 months ago

It is under the hood, it is fuse 70, a big J fuse, should be able to look in the top of it and see if it's blown or not. If the fuse is good, it is likely either the blower resistor or the blower motor itself. did it make any odd noises before it went out?

Ask Your Own GMC Question
GMC Mechanic: Edward, Service Technician replied 7 months ago
Ask Your Own GMC Question
Customer reply replied 7 months ago
Thanks, I'll give that a try first.
GMC Mechanic: Edward, Service Technician replied 7 months ago

If it isn't the fuse, and you didn't hear any odd noises before it stopped working, I would say it was probably the blower resistor. if you did hear odd noises from the blower, then it could be the blower motor itself. I would say it was either one or the other if the fuse is good and you have power to the blower motor when you turn it on, you can check that with a test light.

Ask Your Own GMC Question
GMC Mechanic: Edward, Service Technician replied 7 months ago

There are not that difficult to replace, everything is under the dash on the passenger side. Thank you. Let us know if you have any further questions.

Ask Your Own GMC Question
GMC Mechanic: Edward, Service Technician replied 7 months ago

If your all set please don't forget to rate the question via one of the star icons at the top of the page. If you need to ask us anything else just let us know. Thank you and best wishes!

Ask Your Own GMC Question
Was this answer helpful?

How JustAnswer works

step-image
Describe your issueThe assistant will guide you
step-image
Chat 1:1 with a gmc mechanicLicensed Experts are available 24/7
step-image
100% satisfaction guaranteeGet all the answers you need
Ask Edward Your Own Question
Edward
Edward
Edward, Service Technician
Category: GMC
Satisfied Customers: 3,745
3,745 Satisfied Customers
Experience: 20 + years experience on various makes and models.

Edward is online now

A new question is answered every 9 seconds

How JustAnswer works:

  • Ask an ExpertExperts are full of valuable knowledge and are ready to help with any question. Credentials confirmed by a Fortune 500 verification firm.
  • Get a Professional AnswerVia email, text message, or notification as you wait on our site. Ask follow up questions if you need to.
  • 100% Satisfaction GuaranteeRate the answer you receive.

JustAnswer in the News:

Ask-a-doc Web sites: If you've got a quick question, you can try to get an answer from sites that say they have various specialists on hand to give quick answers... Justanswer.com.
JustAnswer.com...has seen a spike since October in legal questions from readers about layoffs, unemployment and severance.
Web sites like justanswer.com/legal
...leave nothing to chance.
Traffic on JustAnswer rose 14 percent...and had nearly 400,000 page views in 30 days...inquiries related to stress, high blood pressure, drinking and heart pain jumped 33 percent.
Tory Johnson, GMA Workplace Contributor, discusses work-from-home jobs, such as JustAnswer in which verified Experts answer people’s questions.
I will tell you that...the things you have to go through to be an Expert are quite rigorous.

What Customers are Saying:

Wonderful service, prompt, efficient, and accurate. Couldn't have asked for more. I cannot thank you enough for your help.

Mary C.Freshfield, Liverpool, UK

This expert is wonderful. They truly know what they are talking about, and they actually care about you. They really helped put my nerves at ease. Thank you so much!!!!

AlexLos Angeles, CA

Thank you for all your help. It is nice to know that this service is here for people like myself, who need answers fast and are not sure who to consult.

GPHesperia, CA

I couldn't be more satisfied! This is the site I will always come to when I need a second opinion.

JustinKernersville, NC

Just let me say that this encounter has been entirely professional and most helpful. I liked that I could ask additional questions and get answered in a very short turn around.

EstherWoodstock, NY

Thank you so much for taking your time and knowledge to support my concerns. Not only did you answer my questions, you even took it a step further with replying with more pertinent information I needed to know.

RobinElkton, Maryland

He answered my question promptly and gave me accurate, detailed information. If all of your experts are half as good, you have a great thing going here.

DianeDallas, TX

< Previous | Next >

Meet the Experts:

Gm Tech (Cam)

Gm Tech (Cam)

GMC Mechanic

1,796 satisfied customers

GM Grand Master Technician 2007. 14 year experience.

Gary

Gary

ASE Certified Technician

1,588 satisfied customers

GCM master tech over 25 years

Dave Nova

Dave Nova

GMC Technician

929 satisfied customers

ASE Master Certification. GM World Class Certification

Chris (aka-Moose)

Chris (aka-Moose)

GMC Technician

626 satisfied customers

16 years of experience

Ron Z.

Ron Z.

- GMC Tech -

279 satisfied customers

18+yrs experience. State Inspector & GMC Diagnostics/Repair

JFN1

JFN1

ASE Certified Technician

270 satisfied customers

GM Master Technician

George H.

George H.

ASE MasterTechnician

228 satisfied customers

15+ Years ASE Master Technician with Level 1 Certification

< Previous | Next >

Related GMC Questions
Have a GMC Yukon Denali XL with the 6.2. Has 117K and
Have a GMC Yukon Denali XL with the 6.2. Has 117K and running warmer than normal pulling my boat on 100+ degree days. Looks like about 225 degrees on gauge- usually 200. Fans are running fine- Thermos… read more
Chris (aka-Moose)
Chris (aka-Moose)
GMC Technician
Vocational, Technical or Trade School
626 satisfied customers
I have a 2001 Yukon Denali XL and I have no heat control. If
Hi, I have a 2001 Yukon Denali XL and I have no heat control. If I leave the temperature at maximum I have constant heat if I turn it down to a tolerable temperature it fades in and out from hot to co… read more
Pete
Pete
Independent Auto Technician
Vocational, Technical or Trade Scho
138 satisfied customers
The a/c will not go on in my 2011 GMC Acadia. I have 115K
Hi - the a/c will not go on in my 2011 GMC Acadia. I have 115K miles. the light on the dash blinks a few times but does not stay on and the air does not get cold. Thx … read more
Peter Bagley
Peter Bagley
master technition
Vocational, Technical or Trade School
1,291 satisfied customers
Rear ac appears to blow cold front ac just blows room temp
Rear ac appears to blow cold front ac just blows room temp air … read more
nelson freitas
nelson freitas
Automotive Technician
Vocational, Technical or Trade School
121 satisfied customers
Just got motor put back together after replacing camshaft
Just got motor put back together after replacing camshaft and I get lights on dash but it wont turn over. All connections were double and triple checked as it went back together. Get Starter Relay to … read more
heavy_chevy_396
heavy_chevy_396
Vocational, Technical or Trade Scho
2,518 satisfied customers
I have a 2013 Yukon Denali with the 6.2L motor. Over the
Hi, I have a 2013 Yukon Denali with the 6.2L motor. Over the weekend I was flat towing my Jeep to the mountains when I noticed that the engine temp as well as the transmission temp started to climb. I… read more
heavy_chevy_396
heavy_chevy_396
Vocational, Technical or Trade Scho
2,518 satisfied customers
GM Yukon Denali: Cooling fan issue. Just read Ron Z's responses
Cooling fan issue. Just read Ron Z's responses to another user. 05 yukon Denali. While sitting idle, over heated, started dumping AF. Just returned from a 45 mile mountainous trip. No issue noticed on… read more
XtraTech
XtraTech
Sr. Technician
Bachelor's Degree
149 satisfied customers
2006 Yukon Denali Coolant Temperature Hot comes on display
2006 Yukon Denali Coolant Temperature Hot comes on display then goes away, seems to not be using any of the reservoir up near the firewall. If I rev the engine while the warning is on the temp goes do… read more
JFN1
JFN1
ASE Certified Technician
Vocational, Technical or Trade Scho
270 satisfied customers
Could someone please help me find these four items car.
Could someone please help me find these four items for my car. I would like them USED and as cheap as possible : ) I have a Gmc yukon 2001 3 rows X 1500 1 - sensors number 1 and 2 (as the ones in the … read more
heavy_chevy_396
heavy_chevy_396
Vocational, Technical or Trade Scho
2,518 satisfied customers
GMC Yukon XL Denali: , I have a 2003 GMC Yukon XL Denali.
Hello, I have a 2003 GMC Yukon XL Denali. The front blower does not work at all. So far, I've replaced (with all new, no refurb or reman) the front AC control unit (the same unit with automatic air), … read more
Gary
Gary
ASE Certified Technician
Vocational, Technical or Trade Scho
1,588 satisfied customers
GM Yukon XL Denali: My 2008 Yukon XL Denali drops voltage from
My 2008 Yukon XL Denali drops voltage from just over 14 to about 12.5 when the cooling fans come on. I have replaced the alternator and battery and it continues to behave in this manner. I did not not… read more
heavy_chevy_396
heavy_chevy_396
Vocational, Technical or Trade Scho
2,518 satisfied customers
GMC Yukon XL 1500 Denali: I have a 2002 GMC Yukon Denali. After
I have a 2002 GMC Yukon Denali. After I've been driving for a while and the engine is warm ( transmission heat gauge reads 150 ) trying to park while turning is difficult . The front wheels feel like … read more
Gary
Gary
ASE Certified Technician
Vocational, Technical or Trade Scho
1,588 satisfied customers
GMC Yukon Denali: 2001 denali yukon XL A/C / Heat issue has
2001 denali yukon XL A/C / Heat issue has auto air heat was getting stuck on until you turn off engine then would go back to cool now the heat stopped working totally....… read more
AutoParamedic
AutoParamedic
55 satisfied customers
GMC Yukon Denali: I have a 2003 Yukon Denali. We have noticed
I have a 2003 Yukon Denali. We have noticed several issues come up lately and one major one. After doing some research on the internet, it appears the Throttle Position Sensor is not working correctly… read more
Pete
Pete
Independent Auto Technician
Vocational, Technical or Trade Scho
138 satisfied customers
GMC Yukon XL 1500 Denali: I have a 2008 GMC Yukon Denali XL
I have a 2008 GMC Yukon Denali XL w/ 6.2L AWD. Recently my Aux (Rear) AC stopped working. All functions of FWD and Rear controls appear to work correctly. Swapped FWD/AUX Blower Control. Both worked f… read more
Gm Tech (Cam)
Gm Tech (Cam)
GMC Mechanic
Vocational, Technical or Trade Scho
1,796 satisfied customers
GMC Sierra 1500: I have an issue with my electric fan in my
I have an issue with my electric fan in my 2005 GMC Sierra. A couple of weeks ago I noticed that it would run on high for no reason, even shortly after starting it. Now what ever was causing the issue… read more
Jerry
Jerry
Service consultant
Vocational, Technical or Trade Scho
13,107 satisfied customers
GMC 1500 Series: i have a 2007 gmc serria slt classic 4dr I
i have a 2007 gmc serria slt classic 4dr I am starting to hace to start my ac many time to get it to come on. when it doe it cools fine the truck ha 40000 mile… read more
Jerry
Jerry
Service consultant
Vocational, Technical or Trade Scho
13,107 satisfied customers
GMC K1500 Sierra 4x4 crew cab: I have a 2008 GM Sierra 1500
I have a 2008 GM Sierra 1500 5.3. When I'm driving on the highway at approximately 67 70 miles an hour the engine goes into the v4 mode and you hear are louder than normal noise in the exhaust does GM… read more
Doug
Doug
Head technician
High School or GED
394 satisfied customers
Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

Show MoreShow Less

Ask Your Question

x